MSI MAG B660M MORTAR MAX WIFI DDR4 User Manual

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Contents
Quick Start..................................................................................................................... 3
Installing DDR4 memory ........................................................................................ 7
Specifications .............................................................................................................. 15
Special Features ......................................................................................................... 19
Package Contents ...................................................................................................... 20
Back Panel Connectors ............................................................................................. 21
LAN Port LED Status Table .................................................................................. 22
Audio Jacks Connection ....................................................................................... 22
Installing Antennas ............................................................................................... 24
Overview of Components ........................................................................................... 25
CPU Socket ........................................................................................................... 26
DIMM Slots ............................................................................................................ 27
PCI_E1~3: PCIe Expansion Slots .......................................................................... 28
M2_1~2: M.2 Slots (Key M) ................................................................................... 29
SATA5~8 & SATA_A1~A2: SATA 6Gb/s Connectors ............................................. 31
JAUD1: Front Audio Connector ............................................................................ 31
JFP1, JFP2: Front Panel Connectors ................................................................... 32
JTBT1: Thunderbolt Add-on Card Connector ...................................................... 33
JDASH1 : Tuning Controller connector ................................................................ 33
CPU_PWR1~2, ATX_PWR1: Power Connectors ................................................... 34
JCI1: Chassis Intrusion Connector ....................................................................... 35
JUSB4: USB 3.2 Gen 2 Type-C Connector ............................................................ 36
JUSB3: USB 3.2 Gen 1 Connector ........................................................................ 36
JUSB1~2: USB 2.0 Connectors ............................................................................. 37
JTPM1: TPM Module Connector ........................................................................... 37
CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors .................................. 38
JBAT1: Clear CMOS (Reset BIOS) Jumper ........................................................... 39
BAT1: CMOS Battery ............................................................................................. 39
JRGB1: RGB LED connector ................................................................................. 40
JARGB_V2_1~2: A-RAINBOW V2 (ARGB Gen2) LED connectors ......................... 41
EZ Debug LED ....................................................................................................... 42
English

MSI MAG B660M MORTAR MAX WIFI DDR4 Specifications

General

Chipset	Intel B660
Form Factor	Micro-ATX
Memory Support	DDR4
Memory Slots	4
Maximum Memory Supported	128GB
Wi-Fi	Yes
Wi-Fi Standard	Wi-Fi 6E
Bluetooth	Yes
Socket	LGA 1700
PCIe x16 Slots	2
PCIe x1 Slots	1
M.2 Slots	2
SATA Ports	6
Audio	Realtek ALC897
LAN	2.5Gbps Ethernet
RGB Headers	2
Memory Speed	DDR4-4800 (OC)